Little reason exists to separate infants with isolated decreased IgA levels from those with decreased levels of IgA and IgG or all isotypes.
Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology
Division of Allergy & Immunology, Thomas Jefferson University, Philadelphia, Pennsylvania, USA.
Ann Allergy Asthma Immunol. 2010 Oct;105(4):295-8
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